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MIDAS 4, 192

Orbit data source: Space-Track

MIDAS 4, 192 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Sat, 21 Oct 1961 UTC via an ATLAS AGENA B launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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MIDAS 4 details
Identifier
192, 1961-028A
Orbit
LEO
Last TLE update9 hours ago
Origin
Flag of USUSAF SSD (US)
ManufacturerLMSC
MissionDefense Early Warn
Bus & MotorMIDAS, Unknown motor
Mass~1,540 kg wet, 840 kg dry
Launch date (UTC)
1961-10-21 (63 years ago)
Launch vehicle
ATLAS AGENA B
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBRCyl, 8.99 m
Radar Cross Section11.475 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago
0 MIDAS 4
1   192U 61028A   25043.22435726 -.00000001  00000-0  75212-3 0  9996
2   192  95.8567 120.7055 0137391  87.7513 273.9064  8.67772062  5943
Epoch: 2025-02-12T05:23Z
Definitive object data (Epoch: 2025-02-12T05:23:04.467Z)
Latitude0.00002°
Longitude-102.58101°
Altitude3,619.562 km
Speed6.317 km/s
True Right ascension08h 02m 49s
True Declination0° 00' 00"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude58.05791°
Longitude86.93135°
Altitude3,520.164 km
Speed6.387 km/s
Apparent Right ascension00h 38m 26s
Apparent Declination43° 16' 30"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time17:07:02
Azimuth43.493° NE
Elevation12.886°
Doppler factor1
Orbital elements
Apogee altitude3,760.166 km
Perigee altitude3,485.359 km
Semi-major axis10,000.899 km
Eccentricity0.0137391
Inclination95.8567°
RAAN120.7055°
Arg. of periapsis87.7513°
True anomaly272.33403°
Mean anomaly273.9064°
Eccentric anomaly273.12037°
Mean motion2.17012 °/min
BSTAR0.00075212
Orbital period165.89 mins
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MIDAS 4 Visibility forecast

Observer location: undefined°, undefined

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
17 mins2025-02-12 14:35:55.455Z43.561° NE2025-02-12 14:42:55.455Z69.55° E15.79°2025-02-12 14:52:55.455Z105.405° ESE
35 mins2025-02-12 17:13:55.455Z11.156° NNE2025-02-12 17:30:55.455Z111.713° ESE44.437°2025-02-12 17:48:55.455Z186.752° SSW
26 mins2025-02-12 19:58:55.455Z356.198° N2025-02-12 20:10:55.455Z308.007° NW27.563°2025-02-12 20:24:55.455Z253.831° W
9 mins2025-02-13 01:10:55.455Z45.908° ENE2025-02-13 01:14:55.455Z31.661° NE12.288°2025-02-13 01:19:55.455Z13.872° NNE
32 mins2025-02-13 03:35:55.455Z132.577° SE2025-02-13 03:51:55.455Z61.054° ENE38.13°2025-02-13 04:07:55.455Z356.212° N
32 mins2025-02-13 06:18:55.455Z201.03° SSW2025-02-13 06:34:55.455Z273.833° WNW36.881°2025-02-13 06:50:55.455Z343.097° N
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